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Old 06-14-2013, 12:07 AM   #43
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I tow a 29' trailer with an F-150 - 5.0 engine and average 10.3 mpg... I would rather have a new Dodge diesel with the Cummins, or an F-250 diesel. I will probably take that plunge, soon... maybe... if the Minister of Finance says so...
How's your 5.0 pull the trailer?
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Old 06-15-2013, 11:30 AM   #44
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I just took another trip from Seattle Washington to Salem Oregon and back. I averaged 11.5 each way. This trip I was keeping it closer to 65mph which averaged to about 1mpg better than my previous trip.
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Old 06-15-2013, 12:37 PM   #45
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Last summer I observed something I hadn't seen before. We were on our way home from Or. I had just filled up just N. of Salem. About 15miles up the road when the computer settled down it showed 13mpg and I was going 60. A mile or so farther I noticed it said 12.8 and then went to 12.7. I looked at the speedo and I was going 62. I dropped back to 60 and it went back to 13. Staying at or under 60 works for me.
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Old 06-16-2013, 08:45 PM   #46
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I just pulled the 31' tt to San Marcos, TX and got between 9-10 mpg, avg. highway towing speed 65-70 mph. There were places the speed limit was 75 mph and you had to go with the flow of traffic. Came home today (without the tt) and had 18.1 mpg driving 70-80 in places. 2011 Dodge Ram 2500 4x4 6.7 Cummins high output diesel. I-35 Southbound or Northbound is no place for towing! I'd avoid if possible. Safe travels!
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Old 06-17-2013, 11:54 PM   #47
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I have a 2012 F150 ecoboost with Max tow package and it pulls my 30', 6200lb TT nice. That's with a WDH. I usually get 8.5-10.5 mpg depending on the terrain and weather conditions.
3.73 rear axle?
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Old 06-18-2013, 12:10 AM   #48
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My Tt is 27' ft keystone hideout with super slide about ~6800 #'s....but close enough I tow with a 2008 f250 lariat crew cab 5.4l. Should say I will to since I haven't actually towed yet. Just got the truck last week and going on out first trip Thursday to jellystone in Java NY!!
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Old 06-18-2013, 04:44 AM   #49
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My Tt is 27' ft keystone hideout with super slide about ~6800 #'s....but close enough I tow with a 2008 f250 lariat crew cab 5.4l. Should say I will to since I haven't actually towed yet. Just got the truck last week and going on out first trip Thursday to jellystone in Java NY!!
Nice set up, I also have the Keystone Hide out
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Old 06-18-2013, 10:50 AM   #50
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29' Salem toyhauler, BUMPER PULL, 9300#, with 1200# gas shuttle cart, 8700# with 800# motorcycle loaded inside with MINIMAL supplies. Actual weights, I work at a port facility and have access to the scales. Trailer dry weight is listed at 6700. That means 1400#s accessories and supplies! Adds up fast. GVWR is 11,800 - about 2,500 more I could pack, but I'm already pushing my trucks #s past what it is supposed to carry. Stole the 2007 trailer for 4k! Couldn't pass it up!
Truck is 2004 GMC z71 extended cab w/tow package. Love the truck, but it isn't enough! I have been towing it ONLY in Florida (flat land) and keeping the speed under 65. Towed it home completely empty at 70 and MPG was 7.1 Since then and after reading these forums, I slowed down. @ 65 and loaded I get 7.9, @ 62mph I can manage 8.1 MPG.

Looking VERY hard for a 2003-2007 Dodge with a 5.9 diesel. Prefer a crew cab 4x4 - 2500/3500 SRW or DRW is what I'd like advice on. Don't think it matters with the bumper pull as trailer axles are so far back, tongue weight would be more unloaded than loaded. Truck will be a daily driver, so I don't want to go any older. That rules out the 7.3 Fords and I don't care for the newer Ford motors. A GMC disel may be my other option as I have a GMC gasser now, but I'm liking the efficiency of the 5.9 more.

OPINIONS?
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Old 06-18-2013, 06:00 PM   #51
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29' Salem toyhauler, BUMPER PULL, 9300#, with 1200# gas shuttle cart, 8700# with 800# motorcycle loaded inside with MINIMAL supplies. Actual weights, I work at a port facility and have access to the scales. Trailer dry weight is listed at 6700. That means 1400#s accessories and supplies! Adds up fast. GVWR is 11,800 - about 2,500 more I could pack, but I'm already pushing my trucks #s past what it is supposed to carry. Stole the 2007 trailer for 4k! Couldn't pass it up!
Truck is 2004 GMC z71 extended cab w/tow package. Love the truck, but it isn't enough! I have been towing it ONLY in Florida (flat land) and keeping the speed under 65. Towed it home completely empty at 70 and MPG was 7.1 Since then and after reading these forums, I slowed down. @ 65 and loaded I get 7.9, @ 62mph I can manage 8.1 MPG.

Looking VERY hard for a 2003-2007 Dodge with a 5.9 diesel. Prefer a crew cab 4x4 - 2500/3500 SRW or DRW is what I'd like advice on. Don't think it matters with the bumper pull as trailer axles are so far back, tongue weight would be more unloaded than loaded. Truck will be a daily driver, so I don't want to go any older. That rules out the 7.3 Fords and I don't care for the newer Ford motors. A GMC disel may be my other option as I have a GMC gasser now, but I'm liking the efficiency of the 5.9 more.

OPINIONS?
You could get an 03 Ford 7.3.
I've never pulled with a SRW, but I pull DRW and that's all I'd use. And I DD mine.
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Old 06-19-2013, 05:00 PM   #52
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How's your 5.0 pull the trailer?
The 5.0 does a pretty good job even though I have 3.55 rear gears, and I don't have the max-tow package. Sometimes I am in 3rd gear at 4K rpms up steeper hills, but it doesn't last long. I didn't want the extra complexity of the Eco-boost and I get nearly the same non-towing mileage... My only problem with it is that I get some drift in the wind when trailers pass... and I always tow at 65 mph.
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Old 06-21-2013, 04:35 AM   #53
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The 5.0 does a pretty good job even though I have 3.55 rear gears, and I don't have the max-tow package. Sometimes I am in 3rd gear at 4K rpms up steeper hills, but it doesn't last long. I didn't want the extra complexity of the Eco-boost and I get nearly the same non-towing mileage... My only problem with it is that I get some drift in the wind when trailers pass... and I always tow at 65 mph.
Thanks for the info, picking up new ride today, 2013 F150 Lariat, HD payload, (shocks, springs a little heaver), tow package with built in Brake controller, ecoBoost, 3.55 rear. Decided I really didn't need the 3.73 for my ultra lite trailer. Let everyone knw how it tows later.

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Old 06-21-2013, 11:27 PM   #54
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I have a 1999 28ft. four winds TT With everything in it for the trip it weighs 7200#. I own a 2012 F150 5.0 with 3.31 rear and max tow package. Just towed the TT from Virginia beach, Va. To texarkana, Tx. and averaged 10mpg for the trip. The speed averaged between 62 to 65mph. The truck drove like a champ.
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Old 06-23-2013, 12:16 AM   #55
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Thanks for the info, picking up new ride today, 2013 F150 Lariat, HD payload, (shocks, springs a little heaver), tow package with built in Brake controller, ecoBoost, 3.55 rear. Decided I really didn't need the 3.73 for my ultra lite trailer. Let everyone knw how it tows later.

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Adjusted the hitch for new f150, she pulls like a champ, have to say Smoke you were right, the EcoBoost has the power.
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Old 06-24-2013, 03:34 PM   #56
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The OP already has a very fuel efficient truck and trailer setup. No advantages dollarwise to buying a new truck that is not going to provide better fuel economy.

An engine has to do a certain amount of work both to overcome the air drag of a trailer and to gain elevation with a trailer. That work takes fuel. Want to burn less fuel then get a lighter or more aerodynamic trailer and drive slower. Air drag increases with the square of speed. Go twice as fast (or add in a 15-20 MPH headwind) and the air drag goes up 300% and guess what, the truck engine uses more fuel per mile driven.

Somehow the notion of there not being a free lunch escapes many people. Get a bigger trailer and carry more stuff and have more weight and then need a more powerful tow vehicle and the cost of fuel will be high. The problem starts with the choice of the trailer. Once that hole has been dug all you can do is drive slower and not fill every nook and crannie of the trailer with stuff that is not really needed.
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